Profiteer's vice (7)
I believe the answer is:
'profiteer's vice' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for avarice that I've seen before include "Rapacity" , "Cupidity" , "Greed - caviare (anag)" , "Stinginess" , "Insatiable lust" .)